21969970 is an even 8-digits composite number following 21969969
and preceding 21969971 . In scientific notation, it is written as 2.1969970 × 10^7.
The sum of its digits is 43. It has a total of 5 prime factors and 32 positive divisors.
There are 7840800 positive integers (up to 21969970) that are relatively prime to 21969970.
21969970 has 32 divisors, whose sum is 43358976
The reverse of 21969970 is 07996912
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-one million nine hundred sixty-nine thousand nine hundred seventy
Scientific notation
2.1969970 × 10^7
Engineering notation
2.1969970 × 10^6
Prime Factorization
2 × 5 × 737 × 11 × 271
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21969970
Product of the distinct prime numbers
The prime factorization of 21969970 is 2 × 5 × 737 × 11 × 271.
Since it has a total of 5 prime factors.
4 , 9 , 19 , 93 , 280 , 608 , 7699 , 6274 , 5954 , 66015 , 592380 , 53165 , 5927820 , 2670490 , 82651940 , 25789506 , 808072367 , 324114143 , 5877874898 , 3617244772
n×2
43939940
n×3
65909910
n×4
87879880
n×5
109849850
n÷2
10984985
n÷3
7323323.3333333
n÷3
5492492.5
n÷5
4393994
n2
482679581800900
n3
1.0604455931778E+22
n4
2.3297957868749E+29
n5
5.1185543543768E+36
2 √n
4687.2134579087
3 √n
280.07638222274
4 √n
68.463227048604
5 √n
29.401256624828
1 , 2 , 5 , 10 , 11 , 22 , 55 , 110 , 271 , 542 , 737 , 1355 , 1474 , 2710 , 2981 , 3685 , 5962 , 7370 , 8107 , 14905 , 16214 , 29810 , 40535 , 81070 , 199727 , 399454 , 998635 , 1997270 , 2196997 , 4393994 , 10984985 , 21969970
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21969969
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21969970 can be divided by 32 positive divisors.
The sum of these divisors (counting 21969970) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010011110011110000110010
3
Ternary
1112100012010121
4
Quaternary
1103303300302
5
Quinary
21111014340
6
Senary
2102520454
8
Octal
123636062
10
Decimal
21969970
12
Duodecimal
743612a
16
Hexadecimal
14f3c32
20
Vigesimal
6h64ia
36
Base36
d2w4y
md5
7bfe9b8d66f4240cc76093c81668ace7
sha1
0f95e12da824fe45bbd837724dd560ba2a8858bf
sha256
e010ffda02defb319831ab6fcf20be5faae8aaa193f8227f7876a1d9c60a6b60
sha512
afbfc17d881c93b5478d3866974d80138329e694b3d5053bf564dfd08c5ccfbe739072d134285982a0fda0aecdf5bed30097ed7f3f9558f6f7abef88c35472f5
ripemd-160
81906844c763e8ec0359c10fc61ec5a3d19f160c
Diameter
43939940
Circumference
138041392.70318
Area
1.5163826282235E+15
Volume
4.4419841134122E+22
Surface area
6.065530512894E+15
Circumference
138041392.70318
Perimeter
87879880
Area
482679581800900
Diagonal
31070229.53893
Surface area
2896077490805400
Volume
1.0604455931778E+22
Space diagonal
38053104.280764
Perimeter
65909910
Area
2.0900638986381E+14
Altitude
19026552.140382
Surface area
2.0900638986381E+14
Volume
1.2497471166924E+21
Height
10356743.179643